Patent · US Expired

Reproduction device for optical disks

US5903531A · kind A · utility

73Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 13, 1997
Grant dateMay 11, 1999
Priority date
Expiry dateFeb 13, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2007/0013
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Signal processing systems can be switched according to the optical system selected from a plurality of optical systems and set to the operating state. A system controlling portion 100 finally sets an appropriate optical system according to the kind of an optical disk 11, and sets an appropriate signal processing system corresponding to the set optical system for setting an appropriate mode depending upon CD (compact disk) or DVD (high density recording disk).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.